Features: Simply the hummingbird feeder you will ever own. Unique horizontal design attracts more hummingbirds. No "filler jar" to block your view. Bright red transparent tube avoids the need to add dye to mixture. Also get visits from Hooded Orioles, and Yellow-rumped Warblers. Very easy to clean - just pour water in it. Super smooth and slick interior has no crevices. 2 color (red and transparent) + 3 Size (40/50/60cm)/(15.7/19.7/23.6in) for your option, meet your different needs. Can also be installed with hooks or mounted below a window with closet rod brackets. Specification: Color: Transparent / Red (optional) Length: 40cm(15.7in) / 50cm(19.7in) / 60cm(23.6in) (optional) Diameter: 3cm/1.2in (40cm, 50cm), 5cm/2.0in (60cm) Material: ABS Packing List: 1 *Hummingbird Feeder